Hi Terry,

Thank you for your inquiry.

Pet Shed is operated by an Australian based company. All our products ship from our facility in Singapore for Optimal Logistic purposes only.

Since we are an Australian based company the packages that we have for Revolution are slightly different but have the same ingredient and efficacy. Zoetis is a subsidiary of Pfizer thus, basically the same company.

The products we sell are exactly the same as those sold in the U.S. In terms of ingredients and concentrations, however, the packaging on some products is slightly different as it is made for the Australian market. Basically, all this means that weights are given in kilograms instead of pounds (we use the metric system).

This does not mean that the products are not authentic. They contain exactly the same ingredients and come out of the same FDA/EPA approved factories as the pet medications you would purchase from your vet. They are genuine products with the longest expiry dates possible.

We hope this information helps. For more information, please visit our helpdesk: https://helpdesk.petshed.com/support/home

Kind Regards,
Pet Shed Team